BioShock Infinite - Clash in the Clouds DLC PC Steam CD Key (MAC OS X) - discussion

This first add-on pack puts an intense focus on BioShock Infinite® combat. Combine weapons, Vigors, Gear, Tears and Sky-Lines in ways you never thought possible as you square off against impossible odds. This pack features 60 challenges in 4 brand-new maps. Complete Blue Ribbon Challenges and unlock concept art, Voxophones, Kinetoscopes, and more in The Columbian Archeological Society. Please note: Add-on Content, BioShock Infinite® required to play. This content is NOT part of the BioShock I
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